Category "multithreading"

multithreaded C++ read access violation 0XCDCDCDCD

I'm writing a simple multithreaded md5 hash cracker using a task farm, except i keep getting read access violations seemingly at random. heres the function the

UI thread slow to respond to Progress updaters on async Task method using VS2022 & Net6.0

I’ve run into a performance obstacle and I’m uncertain of the cause, all of this is running under VS2022 & Net6.0. As this is my 1st time using

Visible order of operations with acquire/release fence in C++

I have a following program which uses std::atomic_thread_fences: int data1 = 0; std::atomic<int> data2 = 0; std::atomic<int> state; int main() {

How to test a singleton generic template to be thread safe?

How do I make Singleton generic template, and how can I test it? Right now I am interested in seeing with my own eyes that 2 threads that invoke get_instance()

Python PyQt update GUI

basically I am having trouble with Updating my new GUI. Windows 10 | Python 3.8 | PyQt5 I got a class like class My_GUI(): def __init__(self): ..

How does a debugger identify a thread?

When using a debugger to debug a mutli-thread application, the debugger usually shows the currently running threads. Either with some GUI or command like info t

Understanding Wait in Thread Java

I have the following code:- class ThreadB extends Thread { int total; @Override public void run() { synchronized (this){ for(int i=

Can we invoke method outside the thread block by any technique in C#? so that we can use same thread method to invoke other methods as well.?

e.g. Here in this example, if I want to start thread on method M1 this way, Purpose is I need to call M2, M3 on same thread method to avoid repeated code. Is th

How to limit execution time of a function call?

There is a socket related function call in my code, that function is from another module thus out of my control, the problem is that it blocks for hours occasio

Java cant edit thread stopwatch timeout

Hey I created this code for timeout in my tcp communication, but after I run thread, I can't change the end time? any ideas? public class Timer extends Thread{

Does a java thread come back to running state soon after it receives the response in wait state after making rest template call?

I have a REST API service which makes an REST API to an external system using RestTemplate. Time out set is 3 sec. To make this external call, I have an Executo

Main thread usage loop advise needed

Im building an app on Linux in C++, and I find it convenient to move all periodic tasks to other threads. This is my first multi-threaded Linux app(and basicall

Share django transaction across threads

I've a problem where one API implemented in a django (3.2) web app running with gunicorn (gevent) has to fetch different prices from multiple APIs and store tho

Strange infinite loop in thread in c# using network sockets

I made a little experiment where a server send continually a message to a client until a second client be connected. Testing with telnet, the first client recei

Java : Are sub threads lock the main thread?

I am new to Java, I have want to starts 02 thread to increase an attribute of an object and I want to print out the value of this attribute until it reach a cer

Can I use actors in Swift to always call a function on the main thread?

I recently saw that Swift had introduced concurrency support with the Actor model in Swift 5.5. This model enables safe concurrent code to avoid data races when

Can 2 processes run on same enclave in intel sgx?

I know intel sgx supports running multiple threads on one enclave. But I'curious that whether I can use fork to run 2 processes on one enclave?

How to run multiple "docker cp" commands at the same time in the same Linux VM?

I executed "docker cp" to copy 2 different folders inside a container application to the host. Both the size of the folders are big. However, I found that only

Using queue Between two object of class

In order to send messages between two objects of class! I implemeted this class User { public: virtual void run() { while (true)

PySimpleGUI how to run a perform_long_operation function that returns a value

just started learning and using PySimpleGUI. So far, everything works. I have a method that trains an AI and returns the model: model = train_model() As this m